NSSDCA ID: 1968-027A-01
Mission Name: Luna 14The bistatic radar experiment was designed to determine the dielectric constant, permissivity and density of the upper few meters of the Moon's surface, as well as the surface roughness. The experiment would transmit a 1.7 meter wavelength radio wave from lunar orbit. An Earth ground station would receive the transmission directly from the spacecraft and the reflection of the transmission from the Moon, the ratio of the reflected and direct signal intensities as a function of angle of incidence would provide information on the near-surface properties. The Luna 14 experiment found an average dielectric constant of 2.8, and a general surface irregularity of 0.15.
Questions and comments about this experiment can be directed to: Dr. David R. Williams
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